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Definition of "normal" []

  • Conforming with, adhering to, or constituting a norm, standard, pattern, level, or type; typical: normal room temperature; one's normal weight; normal diplomatic relations. (adjective)
  • Biology Functioning or occurring in a natural way; lacking observable abnormalities or deficiencies. (adjective)
  • Chemistry Designating a solution having one gram equivalent weight of solute per liter of solution. (adjective)
  • Chemistry Designating an aliphatic hydrocarbon having a straight and unbranched chain of carbon atoms. (adjective)
  • Mathematics Being at right angles; perpendicular. (adjective)
  • Usual; regular; common; typical (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Constituting a standard (adjective)
  • Being within certain limits of intelligence, educational success or ability, etc (adjective)
  • Conforming to the conventions of one's group (adjective)
  • (of laboratory animals) maintained in a natural state for purposes of comparison with animals treated with drugs, etc (adjective)
  • (of a solution) containing a number of grams equal to the equivalent weight of the solute in each litre of solvent (adjective)
  • Denoting a straight-chain hydrocarbon: a normal alkane. Prefix: n-, e.g. n-octane (adjective)
  • The usual, average, or typical state, degree, form, etc (noun)
  • Anything that is normal (noun)
  • A line or plane perpendicular to another line or plane or to the tangent of a curved line or plane at the point of contact (noun)

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Use "normal" in a sentence
  • "If the response is that it is used, but not with its normal semantic value, then we are left with the challenge of defining ˜normal™ and ˜abnormal™ semantic values."
  • " predominantly a normal existence ... which continued to be a normal  existence, not only at the will or whim of this antisocial pathological  mental condition."
  • "I was starting to realize that the term normal was relative."